222002200020091 has 2 divisors, whose sum is σ = 222002200020092. Its totient is φ = 222002200020090.

The previous prime is 222002200020089. The next prime is 222002200020143. The reversal of 222002200020091 is 190020002200222.

222002200020091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222002200020091 - 2¹ = 222002200020089 is a prime.

Together with 222002200020089, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (222002200020031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111001100010045 + 111001100010046.

It is an arithmetic number, because the mean of its divisors is an integer number (111001100010046).

Almost surely, 2^{222002200020091} is an apocalyptic number.

222002200020091 is a deficient number, since it is larger than the sum of its proper divisors (1).

222002200020091 is an equidigital number, since it uses as much as digits as its factorization.

222002200020091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The spelling of 222002200020091 in words is "two hundred twenty-two trillion, two billion, two hundred million, twenty thousand, ninety-one".